Cheryl Harness Books

Revolutionary John Adams, The

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John Adams comes to vivid life for young readers in this addition to Harness's acclaimed presidential picture-biographies. Dynamic artwork and lively narrative create a warm, personable portrait of...

The adventurous life of Myles Standish and the amazing-but-true survival story of the Plymouth Colony

By Cheryl Harness

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Tragic Tale of Narcissa Whitman and a Faithful History of the Oregon Trail, The

By Cheryl Harness

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When she was a young girl, Narcissa loved nothing better than to read heroic tales about brave men and women risking their lives to bring Christian ideas to "barbarians" in far-off places. In 1831,...

The tragic tale of Narcissa Whitman and a faithful history of the Oregon Trail

By Cheryl Harness

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Reveals what really happened when Narcissa Whitman and her husband, Marcus, embarked on a perilous quest through the untamed Oregon Trail to spread the word of the Bible to the Indians.

Thomas Jefferson

By Cheryl Harness

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Examines the life and times of the multifaceted man who wrote the Declaration of Independence and later became the third president of the United States.

Young Abe Lincoln

By Cheryl Harness

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Abe Lincoln Goes to Washington 1837 1863

By Cheryl Harness

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The revolutionary John Adams

By Cheryl Harness

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A biography of John Adams with emphasis on his role in the American Revolution.

Young Teddy Roosevelt

By Cheryl Harness

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Briefly traces the life of Theodore Roosevelt, from his privileged childhood through the personal tragedies he endured to his swearing in as the twenty-sixth president of the United States.

George Washington

By Cheryl Harness

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Presents the life of George Washington, focusing on the Revolutionary War years and his presidency.

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.